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    sularu's Avatar
    sularu Posts: 5, Reputation: 1
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    #1

    Feb 6, 2010, 12:02 PM
    Craftsman snowblower won't start
    Craftsman snowblower electric start works, spark plug OK, carb has gas, primer is OK It just keeps revving but won't turn over and start up
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
     
    #2

    Feb 6, 2010, 05:46 PM

    Hi,
    Putting good gas into dirty carb will do that. What model machine/engine are we discussing?
    Peace,
    Clarke
    sularu's Avatar
    sularu Posts: 5, Reputation: 1
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    #3

    Feb 6, 2010, 07:25 PM
    536886120
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
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    #4

    Feb 6, 2010, 09:25 PM

    Hi,
    Okay, you have a Tecumseh engine that is an HSSK50-68338N with a 632107A carb that uses a 31840 repair kit. The operators manual is at:
    http://www.managemyhome.com/mmh/lis_...M/L0909323.pdf
    And the repair manual is at:
    http://www.smallenginesuppliers.com/...nformation.pdf
    Peace,
    Clarke
    sularu's Avatar
    sularu Posts: 5, Reputation: 1
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    #5

    Feb 6, 2010, 10:30 PM

    Thanks, yeah I had found the manual on line but that repair manual is great. As I am a critical care nurse and stuck at home due to big snow, I am going to keep working on it as far as I can go with the manual. Worst case: I get a professional to finish the job (if I ever shovel out of here) Thanks
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
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    #6

    Feb 6, 2010, 11:22 PM

    Hi,
    Be aware that there is a tiny hole in the main jet that is diagonal and feeds the low speed circuits. The main jet must be diassembled to stick a small diameter wire through it. The jet must be disassemble first. Hint: the wire that attaches the inlet needle to the float works great. Be aware that the pointed (open) end must point toward the air intact when reinstalled. That brass washer protects the o-ring from the spring so be sure it is between them.
    Peace,
    Clarke
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #7

    Feb 6, 2010, 11:26 PM

    Well, anyway if you put a little gas in the carb or spark plug hole (spray carb cleaner is best) and it sputters, then it's carb related.

    Also, make sure the fuel valve is open. That will do it every time.

    You can SOMETIMES salvage this sort of problem by draining the tank and adding a small amount of gas and seafoam carb cleaner (any liguid carb cleaner might work) and try to get it to run. Motor Tune-Up Fuel Injector Carburetor Cleaner, 16oz - Seafoam SF-16 - iboats.com

    What happens is the fuel valve/needle sticks open or closed and the carb either floods or doesn't get any gas.

    This happens when you don't use fuel stabilizer like Sta-bil in your fuel and don't stop the engine by turning off the fuel and letting the fuel runout.
    sularu's Avatar
    sularu Posts: 5, Reputation: 1
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    #8

    Feb 7, 2010, 01:43 PM

    Thanks for all the help. Will report back later
    sularu's Avatar
    sularu Posts: 5, Reputation: 1
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    #9

    Feb 8, 2010, 07:01 PM

    If I spray carb starter in the intake it starts right up but cuts out in a few seconds.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #10

    Feb 8, 2010, 08:42 PM

    That's typical of a fuel problem where is where we are going with this.

    BTW Pep Boys has Seafoam.

    So the suggestion is, to try to get it to run on nearly all carb cleaner. Drain the tank. Add some seafoam liquid carb cleaner and a small amount of gas. Try to start on carb cleaner.

    If successful try to run completely out.

    Otherwise, you have to disassemble and clean. The likely failed part is the fuel valve in the carb.

    Here is another location of the exploded carb view: http://www.searspartsdirect.com/part...&searchCount=1

    The likely problem is item #12. It needs to be cleaned.

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